wfFrSwSigXNetClearingDisable 1.3.6.1.4.1.18.3.5.9.6.12.1.18

If cross-net polling (wfFrSwDlcmiCrossNetEnable) is enabled on this interface, and the error threshold (wfFrSwDlcmiCrossNetErrorThreshold) is exceeded, the network can clear the call.